Finding the Fourth Proportional to 45,522,048.70, 68,283,073.05 and 40,260,782.80
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Solution
The fourth proportional to 45,522,048.70, 68,283,073.05 and 40,260,782.80 is: 60,391,174.20
Step by Step Solution
- Step 1: Write the proportion equation
45,522,048.70 : 68,283,073.05 = 40,260,782.80 : x - Step 2: Convert to fraction form
45,522,048.70/68,283,073.05 = 40,260,782.80/x - Step 3: Cross multiply
45,522,048.70x = 68,283,073.05 × 40,260,782.80 - Step 4: Simplify right side
45,522,048.70x = 2,749,129,972,982,583 - Step 5: Solve for x
x = 2,749,129,972,982,583/45,522,048.70 - Step 6: Final answer
x = 60,391,174.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.